public
class
CursorObjectAdapter
extends ObjectAdapter
| java.lang.Object | ||
| ↳ | android.support.v17.leanback.widget.ObjectAdapter | |
| ↳ | android.support.v17.leanback.widget.CursorObjectAdapter | |
An ObjectAdapter implemented with a Cursor.
Inherited constants |
|---|
 From
class
android.support.v17.leanback.widget.ObjectAdapter
|
Public constructors | |
|---|---|
CursorObjectAdapter(PresenterSelector presenterSelector)
Constructs an adapter with the given |
|
CursorObjectAdapter(Presenter presenter)
Constructs an adapter that uses the given |
|
CursorObjectAdapter()
Constructs an adapter. |
|
Public methods | |
|---|---|
void
|
changeCursor(Cursor cursor)
Changes the underlying cursor to a new cursor. |
void
|
close()
Closes this adapter, closing the backing |
Object
|
get(int index)
Returns the item for the given position. |
final
Cursor
|
getCursor()
Returns the |
final
CursorMapper
|
getMapper()
Returns the |
boolean
|
isClosed()
Returns true if the adapter, and hence the backing |
final
void
|
setMapper(CursorMapper mapper)
Sets the |
int
|
size()
Returns the number of items in the adapter. |
Cursor
|
swapCursor(Cursor cursor)
Swap in a new Cursor, returning the old Cursor. |
Protected methods | |
|---|---|
final
void
|
invalidateCache(int index)
Removes an item from the cache. |
final
void
|
invalidateCache(int index, int count)
Removes |
void
|
onCursorChanged()
Called whenever the cursor changes. |
void
|
onMapperChanged()
Called when |
Inherited methods | |
|---|---|
From
class
android.support.v17.leanback.widget.ObjectAdapter
| |
From
class
java.lang.Object
| |
CursorObjectAdapter (PresenterSelector presenterSelector)
Constructs an adapter with the given PresenterSelector.
| Parameters | |
|---|---|
presenterSelector |
PresenterSelector
|
CursorObjectAdapter (Presenter presenter)
Constructs an adapter that uses the given Presenter for all items.
| Parameters | |
|---|---|
presenter |
Presenter
|
CursorObjectAdapter ()
Constructs an adapter.
void changeCursor (Cursor cursor)
Changes the underlying cursor to a new cursor. If there is an existing cursor it will be closed if it is different than the new cursor.
| Parameters | |
|---|---|
cursor |
Cursor:
The new cursor to be used.
|
Object get (int index)
Returns the item for the given position.
| Parameters | |
|---|---|
index |
int
|
| Returns | |
|---|---|
Object |
|
CursorMapper getMapper ()
Returns the CursorMapper used to convert Cursor rows into
Objects.
| Returns | |
|---|---|
CursorMapper |
|
boolean isClosed ()
Returns true if the adapter, and hence the backing Cursor, is closed; false
otherwise.
| Returns | |
|---|---|
boolean |
|
void setMapper (CursorMapper mapper)
Sets the CursorMapper used to convert Cursor rows into
Objects.
| Parameters | |
|---|---|
mapper |
CursorMapper
|
int size ()
Returns the number of items in the adapter.
| Returns | |
|---|---|
int |
|
Cursor swapCursor (Cursor cursor)
Swap in a new Cursor, returning the old Cursor. Unlike changeCursor(Cursor), the returned old Cursor is not closed.
| Parameters | |
|---|---|
cursor |
Cursor:
The new cursor to be used.
|
| Returns | |
|---|---|
Cursor |
|
void invalidateCache (int index)
Removes an item from the cache. This will force the item to be re-read from the data source the next time (@link #get(int)} is called.
| Parameters | |
|---|---|
index |
int
|
Developers
void invalidateCache (int index,
int count)
Removes count items starting at index.
| Parameters | |
|---|---|
index |
int
|
count |
int
|
void onCursorChanged ()
Called whenever the cursor changes.
void onMapperChanged ()
Called when setMapper(CursorMapper) is called and a different
mapper is provided.